virtual protected void OnNegotiation(InitiateNegotiationEventArgs e)
{
if (NegotiationEventHandler != null)
{
NegotiationEventHandler(this, e);
}
}
public void _clientHandler_InitiateNegotiation(object sender, InitiateNegotiationEventArgs e)
{
try
{
foreach (IMLibrary.Client client in e.ClientList)
{
if (GeneratedClientList.Count(cli => cli.UserName == client.UserName) == 0)
{
//generate a new key/salt pair with the correct public key and negotiate with the client
Tuple <byte[], byte[]> unencryptedKeySaltPair = GenerateUnencryptedKeySaltPair();
Tuple <byte[], byte[]> encryptedKeySalePair = EncryptKeySaltPair(client.PublicKey, unencryptedKeySaltPair);
_clientHandler.NegotiateSymmetricKeys(encryptedKeySalePair, client.UserName);
if (this._clientKeyIvDictionary.ContainsKey(client.UserName))
{
this._clientKeyIvDictionary.Remove(client.UserName);
}
this._clientKeyIvDictionary.Add(client.UserName, unencryptedKeySaltPair);
}
}
}
catch
{
}
}
